CN206135742U - High frequency power supply for electric precipitation - Google Patents
High frequency power supply for electric precipitation Download PDFInfo
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- CN206135742U CN206135742U CN201621083750.0U CN201621083750U CN206135742U CN 206135742 U CN206135742 U CN 206135742U CN 201621083750 U CN201621083750 U CN 201621083750U CN 206135742 U CN206135742 U CN 206135742U
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- power supply
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- high frequency
- control unit
- frequency power
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Abstract
The utility model provides a high frequency power supply for electric precipitation, includes: filter higher harmonic three phase filters, turn into the direct current with the industry alternating current, again with the direct current turn into the alternating current the rectifier and inverter module, the alternating current step up and turn into galvanic transformer, control dust collecting equipment open stop and the the control unit of rectification control voltage output size, with the operational effect of rectifier and inverter module, voltage feedback to the control unit's signal unit the rectifier and inverter module links to each other with three phase filters, transformer, the control unit respectively, the control unit still links to each other with three phase filters, transformer, signal unit, signal unit still links to each other with the transformer. The three -phase input is adopted in this application, and pollution -free to the electric wire netting, and intact looks loss is for the green power. The high frequency electric source is multistage transform, and electromagnetic compatibility is good.
Description
Technical field
This utility model is related to a kind of power supply, more particularly to a kind of electric precipitation high frequency power supply.
Background technology
In recent years, due to electric cleaner have control combined pollutant power, to PM2.5, PM10 fine dust,
Stickiness or in high resistivity dust, flue gas acid mist, gypsum rain, aerosol, heavy metal, dioxin etc. collect it is largely effective,
Especially at home after several typical coal fired power plant successful Applications, beginning is little by little set by the terminal precision processing as high-effective dust-removing
It is standby to use.
Electric cleaner adopts power frequency thyristor supply, the dedusting when dust specific resistance is higher, when easily there is back corona phenomenon
Effect can be decreased obviously, and typically up to require less than former Design of Electrostatic Precipitator index and environmental emission standard.
Power frequency supply is suffered from the drawback that：
(1) operating frequency is low, and efficiency conversion is low, typically below 70%, therefore high energy consumption；
(2) power input is biphase 380V AC power frequency supplies, is again that operating frequency phase is adjusted, and causes input power factor low
To less than 0.7, the imbalance of distribution system is easily caused；
(3) output ripple is big, and average voltage is lower than peak systole voltage by 25% or so, causes corona voltage low, ripple
Shape is again single power frequency ripple, under the operating modes such as high concentrate dust, high specific resistance, it is difficult to require up to environment protection emission；
(4) operating frequency is low, and transformator and wave filter volume are big, weight weight；
(5) bulky power supply regulator cubicle and the Industrial Frequency Transformer of isolation boosting lives in two separate places, and expends space,
Cable is wasted, increases capital expenditure expense.
Utility model content
There is disadvantages mentioned above and deficiency for prior art, this utility model is powered electricity there is provided a kind of electric precipitation high frequency
Source, it is using three-phase input and pollution-free to electrical network, it is environmental protection power supply without phase shortage loss.High frequency electric source is multi-stage transformation,
Electro Magnetic Compatibility is good.
For achieving the above object, this utility model provides a kind of electric precipitation high frequency power supply, including：
Filter out higher hamonic wave Three-phase electric-wave filter,
By industrial AC conversion be unidirectional current, then by DC conversion for alternating current commutation inversion module,
Exchange electric boost and be converted into galvanic transformator,
The control unit of control cleaner start and stop and rectification control voltage output size,
By the operational effect of commutation inversion module, the signal element of Voltage Feedback to control unit,
The commutation inversion module is connected respectively with Three-phase electric-wave filter, transformator, control unit, described control unit also with
Three-phase electric-wave filter, transformator, signal element are connected, and the signal element is also connected with transformator.
Further, above-mentioned power supply, also includes：Screen display unit, is connected with control unit；For showing cleaner
Start and stop, manual voltage boosting, automatic boosting.
Further, above-mentioned power supply, also includes：Dedusting electric field, is connected with transformator, used as load-receipt output.
Further, the commutation inversion module, including：Current rectifying and wave filtering circuit, inverter circuit, driving power supply, driving plate,
Cooling fan, temperature detecting resistance；The inverter circuit is connected respectively with current rectifying and wave filtering circuit, driving plate, the driving plate also with drive
Galvanic electricity source one end is connected, and the driving power supply other end is connected on the connecting line of control unit and Three-phase electric-wave filter, the driving plate,
Temperature detecting resistance is connected with control unit.
Further, the current rectifying and wave filtering circuit is made up of a three-phase commutation bridge；The inverter circuit by four simultaneously
The insulated gate bipolar transistor IGBT composition of connection.
Further, the transformator, including high frequency transformer, rectification circuit, sample circuit, oil temperature oil level sensing
Device；The rectification circuit is connected respectively with high frequency transformer, sample circuit, and oil temperature fuel level sensor is connected with control unit.
Further, the high frequency transformer, including：The two-winding transformer and electric capacity of parallel connection；Rectification circuit, bag
Include：Two groups of diodes and resistance, in parallel again with resistance after two groups of diodes in parallel, every group of diode includes two series connection
Diode；The sample circuit, including two resistance, one of them is used to measure voltage, and another is used to measure electric current.
Further, the Three-phase electric-wave filter is connected by main switch, fuse with one end of commutation inversion module, whole
The other end of stream inversion module is connected by electric capacity with transformator.
Used as further, the cooling fan is connected to fuse and commutation inversion module by electric fuse, resistance
Between.
As further, described control unit be built-in with RS485 interfaces, Ethernet interface, double CAN redundant bus,
RS232 interfaces.
This utility model is due to using above technical scheme, obtaining following technique effect：
1) high conversion efficiency of high frequency electric source, and power factor is big.
2) high frequency electric source adopts three phase mains balanced input, and its harmonic component is little to electric network pollution, and does not have phase shortage damage
Consumption；
3) compared with power frequency supply, high frequency electric source can increase corona discharge power, so as to increased the charged energy of dust in electric field
Power, high frequency electric source is in pure direct current supply mode, and voltage pulsation is little, and corona voltage is high, and corona current is big；
5) the spark control characteristic of high frequency electric source is good, it is only necessary to very short time, you can detects spark and occurs and immediately close off
Power pulses, thus spark energy very little, electric field recovers fast, significantly reduces invalid air ionization.
6) volume of high frequency electric source is less, quality is lighter, can be highly integrated.The installation of high frequency electric source is also more convenient, auxiliary
Equipment is less, is directly installed on electric cleaner top, can save switchgear house space, and can save most of signal cable and control
Cable processed, therefore mounting cost can be reduced.
Description of the drawings
The total width of accompanying drawing 1 of this utility model：
Fig. 1 is a kind of electric precipitation high frequency power supply structural representation.
Specific embodiment
For the ease of understanding this utility model, this utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, this utility model can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to of the present utility model
The understanding of disclosure is more thorough comprehensive.
Unless otherwise defined, all of technology used herein and scientific terminology are led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.Term used in specific embodiment of the present utility model herein
It is intended merely to describe the purpose of specific embodiment, it is not intended that in restriction this utility model.
Embodiment 1
The present embodiment provides a kind of electric precipitation high frequency power supply, including：
Three-phase electric-wave filter, it is ensured that the normal work of equipment, higher hamonic wave is filtered out, and obtains the sine wave that is near the mark
Power supply；
Commutation inversion module, is unidirectional current by industrial AC conversion, then is alternating current by DC conversion；
Transformator, the exchange electric boost that commutation inversion module conversion is finished simultaneously is converted into unidirectional current；
Control unit, control cleaner start and stop, rectification control voltage output size；
Signal element, by the operational effect of commutation inversion module, Voltage Feedback to control unit；The operational effect is existing
Voltage and current value that field set at that time；
The commutation inversion module is connected respectively with Three-phase electric-wave filter, transformator, control unit, described control unit also with
Three-phase electric-wave filter, transformator, signal element are connected, and the signal element is also connected with transformator.
Embodiment 2
Another kind of electric precipitation high frequency power supply is present embodiments provided, including：
Three-phase electric-wave filter, it is ensured that the normal work of equipment, higher hamonic wave is filtered out, and obtains the sine wave that is near the mark
Power supply；
Commutation inversion module, is unidirectional current by industrial AC conversion, then is alternating current by DC conversion；
Transformator, the exchange electric boost that commutation inversion module conversion is finished simultaneously is converted into unidirectional current；
Control unit, control cleaner start and stop, rectification control voltage output size；
Signal element, by the operational effect of commutation inversion module, Voltage Feedback to control unit；The operational effect is existing
Voltage and current value that field set at that time；
Screen display unit, for showing cleaner start and stop, manual voltage boosting, automatic boosting；
Dedusting electric field, as load-receipt output；
The commutation inversion module is connected respectively with Three-phase electric-wave filter, transformator, control unit, described control unit also with
Three-phase electric-wave filter, transformator, screen display unit, signal element are connected, the signal element, dedusting electric field and transformator phase
Even.
Embodiment 3
As the supplement to embodiment 1 or embodiment 2：The commutation inversion module, including：Current rectifying and wave filtering circuit, inversion
Circuit, driving power supply, driving plate, cooling fan, temperature detecting resistance；The inverter circuit respectively with current rectifying and wave filtering circuit, driving plate
It is connected, the driving plate is also connected with driving power supply one end, and the driving power supply other end is connected to control unit and Three-phase electric-wave filter
Connecting line on, the driving plate, temperature detecting resistance are connected with control unit.
The transformator, including high frequency transformer, rectification circuit, sample circuit, oil temperature fuel level sensor；The rectified current
Road is connected respectively with high frequency transformer, sample circuit, and oil temperature fuel level sensor is connected with control unit.
Used as can be preferred, the current rectifying and wave filtering circuit be made up of a three-phase commutation bridge；The inverter circuit by
The insulated gate bipolar transistor IGBT composition of four parallel connections.
As can be preferred, the high frequency transformer, including：The two-winding transformer and electric capacity of parallel connection；Rectification circuit,
Including：Two groups of diodes and resistance, in parallel again with resistance after two groups of diodes in parallel, every group of diode includes two strings
The diode of connection；The sample circuit, including two resistance, one of them is used to measure voltage, and another is used to measure electric current.
As can be preferred, described control unit be built-in with RS485 interfaces, Ethernet interface, double CAN redundant bus,
RS232 interfaces.
The Three-phase electric-wave filter is connected by main switch, fuse with one end of commutation inversion module, commutation inversion module
The other end be connected with transformator by electric capacity.The cooling fan is connected to fuse by electric fuse, resistance and rectification is inverse
Become between module.
Three phase worker power is formed unidirectional current by rectification, high-frequency alternating current is formed by inverter circuit, then it is rectified
Dither current is formed after transformer boost rectification and send cleaner unit.
The supply current of high frequency electric source is made up of a series of burst pulses, and its pulse amplitude, width and frequency can be adjusted,
Various voltage waveforms can be provided to electric cleaner, control mode flexibly, thus can be provided most according to the operating mode of electric cleaner
Suitable voltage waveform, improves the efficiency of dust collection of electric cleaner, improves power supplying efficiency, saves energy.
The application high frequency electric source adopts high-frequency switching technology, by three phase worker power it is rectified, be reverse into more than 18kHz's
High-frequency ac current, is then boosted by high frequency transformer, and Jing hf rectifiers carry out rectifying and wave-filtering, and forming output frequency is
Burst pulse between 35KHZ-38KHZ, supplies Electric Field in ESP.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of electric precipitation high frequency power supply, it is characterised in that include：
Filter out higher hamonic wave Three-phase electric-wave filter,
By industrial AC conversion be unidirectional current, then by DC conversion for alternating current commutation inversion module,
Exchange electric boost and be converted into galvanic transformator,
The control unit of control cleaner start and stop and rectification control voltage output size,
By the operational effect of commutation inversion module, the signal element of Voltage Feedback to control unit,
The commutation inversion module is connected respectively with Three-phase electric-wave filter, transformator, control unit, described control unit also with three-phase
Wave filter, transformator, signal element are connected, and the signal element is also connected with transformator.
2. a kind of electric precipitation high frequency power supply according to claim 1, it is characterised in that above-mentioned power supply, also includes：Screen
Curtain display unit, is connected with control unit；For showing cleaner start and stop, manual voltage boosting, automatic boosting.
3. a kind of electric precipitation high frequency power supply according to claim 1 or claim 2, it is characterised in that above-mentioned power supply, also wraps
Include：Dedusting electric field, is connected with transformator, used as load-receipt output.
4. a kind of electric precipitation high frequency power supply according to claim 1, it is characterised in that the commutation inversion module,
Including：Current rectifying and wave filtering circuit, inverter circuit, driving power supply, driving plate, cooling fan, temperature detecting resistance；The inverter circuit difference
It is connected with current rectifying and wave filtering circuit, driving plate, the driving plate is also connected with driving power supply one end, and the driving power supply other end is connected to
On the connecting line of control unit and Three-phase electric-wave filter, the driving plate, temperature detecting resistance are connected with control unit.
5. a kind of electric precipitation high frequency power supply according to claim 4, it is characterised in that the current rectifying and wave filtering circuit is
It is made up of a three-phase commutation bridge；The inverter circuit is made up of the insulated gate bipolar transistor IGBT of four parallel connections.
6. a kind of electric precipitation high frequency power supply according to claim 1, it is characterised in that the transformator, including height
Frequency power transformer, rectification circuit, sample circuit, oil temperature fuel level sensor；The rectification circuit is electric with high frequency transformer, sampling respectively
Road is connected, and oil temperature fuel level sensor is connected with control unit.
7. a kind of electric precipitation high frequency power supply according to claim 6, it is characterised in that the high frequency transformer, bag
Include：The two-winding transformer and electric capacity of parallel connection；Rectification circuit, including：Two groups of diodes and resistance, two groups of diodes in parallel
Afterwards, in parallel again with resistance, every group of diode includes the diode of two series connection；The sample circuit, including two resistance, wherein
One is used to measure voltage, and another is used to measure electric current.
8. a kind of electric precipitation high frequency power supply according to claim 1, it is characterised in that the Three-phase electric-wave filter passes through
Main switch, fuse are connected with one end of commutation inversion module, and the other end of commutation inversion module is by electric capacity and transformator phase
Even.
9. a kind of electric precipitation high frequency power supply according to claim 4, it is characterised in that the cooling fan is by protecting
Dangerous silk, resistance are connected between fuse and commutation inversion module.
10. a kind of electric precipitation high frequency power supply according to claim 1, it is characterised in that described control unit is built-in
There are RS485 interfaces, Ethernet interface, double CAN redundant bus, RS232 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083750.0U CN206135742U (en) | 2016-09-27 | 2016-09-27 | High frequency power supply for electric precipitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083750.0U CN206135742U (en) | 2016-09-27 | 2016-09-27 | High frequency power supply for electric precipitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135742U true CN206135742U (en) | 2017-04-26 |
Family
ID=58572548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083750.0U Active CN206135742U (en) | 2016-09-27 | 2016-09-27 | High frequency power supply for electric precipitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070282A (en) * | 2017-05-17 | 2017-08-18 | 中国铁道科学研究院 | A kind of AuCT, traction power unit and vehicle |
| CN110323949A (en) * | 2019-07-17 | 2019-10-11 | 武汉东城新能源有限公司 | A kind of high-frequency power supply circuit of anti-transformer bias |
-
2016
- 2016-09-27 CN CN201621083750.0U patent/CN206135742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070282A (en) * | 2017-05-17 | 2017-08-18 | 中国铁道科学研究院 | A kind of AuCT, traction power unit and vehicle |
| CN110323949A (en) * | 2019-07-17 | 2019-10-11 | 武汉东城新能源有限公司 | A kind of high-frequency power supply circuit of anti-transformer bias |
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